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Finding the Third Proportional to 97,816 and 142,112

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Solution

The third proportional to 97,816 and 142,112 is: 206,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,816 : 142,112 = 142,112 : x
  2. Step 2: Convert to fraction form
    97,816/142,112 = 142,112/x
  3. Step 3: Cross multiply
    97,816x = 142,112 × 142,112
  4. Step 4: Simplify right side
    97,816x = 20,195,820,544
  5. Step 5: Solve for x
    x = 20,195,820,544/97,816
  6. Step 6: Final answer
    x = 206,467.45

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.